Recognised as Colour
#40A6A0
- #40A6A0
- Cyan
- Dark
- Nearest: Light seagreen
#40A6A0 is a cyan with RGB values 64, 166, 160 and HSL 176°, 44%, 45%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.
Colour values
#40A6A0#40A6A0
HEX#40A6A0
RGBrgb(64, 166, 160)
RGB (0–1)0.251, 0.651, 0.6275
RGB percentages25.1%, 65.1%, 62.7%
HSLhsl(176.5, 44.3%, 45.1%)
HSV / HSBhsv(176.5, 61.4%, 65.1%)
CMYK61.4%, 0%, 3.6%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,236,960
CSS custom property--colour: #40A6A0;
Brightness & contrast
Relative luminance0.309WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.18:1
Contrast with white2.92:1WCAG normal text: Fail
Contrast with black7.18:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#BF595F
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.92:1WCAG large text: Fail
Contrast with black, large text7.18:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A64046
Analogous#40A66D, #4079A6
Triadic#A040A6, #A6A040
Split complementary#A64079, #A66D40
Tetradic#6D40A6, #A64046, #79A640
Tints, shades & saturation
Channel breakdown
R64
G166
B160
Red64 (25.1%)
Green166 (65.1%)
Blue160 (62.7%)
Hue176.47°
Saturation (HSL)44.35%
Lightness45.1%
Dominant channelGreen
Hex per channelR 40 · G A6 · B A0
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